/**
 * Copyright 2021 Shulie Technology, Co.Ltd
 * Email: shulie@shulie.io
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.pamirs.attach.plugin.akka.interceptor;

import com.pamirs.attach.plugin.akka.AkkaConstants;
import com.pamirs.pradar.Pradar;
import com.pamirs.pradar.interceptor.ResultInterceptorAdaptor;
import com.shulie.instrument.simulator.api.listener.ext.Advice;
import com.shulie.instrument.simulator.api.resource.DynamicFieldManager;

import javax.annotation.Resource;

/**
 * @author xiaobin.zfb|xiaobin@shulie.io
 * @since 2021/5/28 6:02 下午
 */
public class MailboxDequeueInterceptor extends ResultInterceptorAdaptor {
    @Resource
    private DynamicFieldManager manager;

    @Override
    protected Object getResult0(Advice advice) {
        Object ret = advice.getReturnObj();
        try {
            if (ret == null) {
                Pradar.clearInvokeContext();
                return null;
            }
            if (!manager.hasDynamicField(ret, AkkaConstants.DYNAMIC_FIELD_CONTEXT)) {
                Pradar.clearInvokeContext();
                return ret;
            }

            Object ctx = manager.getDynamicField(ret, AkkaConstants.DYNAMIC_FIELD_CONTEXT);
            Pradar.setInvokeContext(ctx);
            return ret;
        } finally {
            manager.removeAll(ret);
        }

    }
}
